#include <regex.h> #include <stdio.h> #include <string.h> #define str "civic" #define N 10 static const char *expected[N] = { str, "c", "i", "", "", "", "", "", "", "" }; static int do_test (void) { regex_t rbuf; static const char pat[] = "\ ^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?).?\\9\\8\\7\\6\\5\\4\\3\\2\\1$"; int err = regcomp (&rbuf, pat, REG_EXTENDED); if (err != 0) { char errstr[300]; regerror (err, &rbuf, errstr, sizeof (errstr)); puts (errstr); return err; } regmatch_t m[N]; err = regexec (&rbuf, str, N, m, 0); if (err != 0) { puts ("regexec failed"); return 1; } int result = 0; for (int i = 0; i < N; ++i) if (m[i].rm_so == -1) { printf ("m[%d] unused\n", i); result = 1; } else { int len = m[i].rm_eo - m[i].rm_so; printf ("m[%d] = \"%.*s\"\n", i, len, str + m[i].rm_so); if (strlen (expected[i]) != len || memcmp (expected[i], str + m[i].rm_so, len) != 0) result = 1; } return result; } #define TIMEOUT 30 #define TEST_FUNCTION do_test () #include "../test-skeleton.c"